Question

Provide at least two negative effects of friction, and explain how friction can be reduced.

Answer 1

Friction can cause physical wear and tear to materials and moving parts.  In car engines, 70% of the energy is wasted. 

Answer 2

Answer:

Friction can cause physical wear and tear to materials and moving parts. In car engines, 70% of the energy is wasted.

is correct! :)

Explanation: